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LTC6948 Last Time Buy
The LTC6948 is a high performance, low noise, 6.39GHz phase-locked loop (PLL) with a fully integrated VCO, including a reference divider, phase-frequency...
LTC6948 on Analog.com

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LTC6948-3 pll failed to lock

		
	
				

			

									
					    FreedomSabre
					
							


			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Aug 28, 2024 
				
			
			
		
    
		
		                     
				
        		
    
		    
		    		    
    
		      		            		        
    Category: Software
    
    		        		            		    
    Product Number:  LTC6948  
    
    		        		    		    
    
		    		    
		    			
    
			    
     
    

    I used the followed register setting,to locked to 2.2GHz,but failed，the signal is like this，it looks like locked to 2.2GHz,but there is some spur,and the    STAT pin toggles between 1 and 0
    

      
    
			
    
			
									
		                             
                        

    
    
                                            
                 ltc6948
                
                                                    
                 software
                
                                                    
                 Fractional-N PLL
                
                                                    
                 Phase Locked Loop (PLL) Synthesizer & Translation Loop
                
                                
            
    
    
    
		
    

				
				        
        		
    
			
						
									
												
			
			
                        
                                    
                        
                                                    
                        
            
			            
						
						
			
			
			
			
		
    

        
        
        
    
					
    
				
      
					
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